As we tick down the final hours of 2025, we’re likely all taking stock of the year before it closes. At DietsInReview.com, that means looking back over the year in diet and weight loss. We’ve rounded-up a few choice lists that qualify as “best of 2025” and hope they create a final snapshot of what was most popular this year.
Take a look at the 25 diet and weight loss programs that our community ranked as the top 25, based on page views. Jillian Michaels has three products on the list, Biggest Loser has two, and the number one spot is held by Weight Watchers for the second year in a row. See who else made the list!
When it came to fitness, diet and health, the hottest trends were all over the map this year. Our list shows a mix of fads and trends, and healthy lifestyle approaches.
Bestselling Diet Books of 2025
According to 2025 sales at Amazon.com, these books in the health category were the bestsellers for diet and weight loss.
You also don’t want to miss these Best of 2025 lists:
Throughout 2025, stay tuned to the DietsInReview.com Best Diets list, which is constantly updated per rankings by our community.